<div class="test-index text-center" ng-controller="TestIndexCtrl">
  <span class="btn btn-danger" ng-click="changePage('dialog')">对话框演示</span>
  <span class="btn btn-danger" ng-click="changePage('data')">数据服务演示</span>
  <hr>
  <div ng-include='demopage' class="include"></div>
</div>